# Dome9 Security funding: rounds and investors

> Dome9 Security has raised $17M across 1 round since 2017. Investors include SoftBank BB Corp. Every round with its source.

Source: https://millionrounds.com/company/dome9-security (Millionrounds; every figure on the page links to its filing or article)

United States · [Series C startup](https://millionrounds.com/companies)

# Who invested in *Dome9 Security*

One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cybersecurity

Funding summary Updated 26 Oct 2026

**$17M** raised across 1 round since 2017, from 1 source

- **Latest round:** Series C, $17M Apr 2017
- **Investors:** 1

See who backed them

## The rounds

- **Apr 2017** Series C **$17M** [SoftBank BB Corp](https://millionrounds.com/fund/softbank) Reported by FinSMEs

## Everyone who backed them

[SoftBank BB Corp](https://millionrounds.com/fund/softbank) Company **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=dome9-security).

## Quick answers about Dome9 Security

### Who invested in Dome9 Security?

Dome9 Security's investors include SoftBank BB Corp.

### How much has Dome9 Security raised?

Dome9 Security has raised $17M across 1 round since 2017.

### When did Dome9 Security last raise?

Dome9 Security's most recent round was a Series C of $17M in Apr 2017.

### What was Dome9 Security's biggest round?

Its most recent round, $17M in Apr 2017, is also its largest on record.

### Who backed Dome9 Security first?

Dome9 Security's first round on record, in Apr 2017, was backed by SoftBank BB Corp.

### What stage is Dome9 Security at?

Dome9 Security's latest named round is a Series C, in Apr 2017.

### Where is Dome9 Security based?

Dome9 Security is based in the United States.

## Companies like Dome9 Security

In the same sector, and raised in the last eighteen months.

[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Opsin** $21M · Oct 2026](https://millionrounds.com/company/opsin)[**Harmonic Security** $68M · Oct 2026](https://millionrounds.com/company/harmonic-security)[**Reach Security** $60M · Oct 2026](https://millionrounds.com/company/reach-security)[**Persona** $210M · Oct 2026](https://millionrounds.com/company/persona)[**Hilt** $4.7M · Oct 2026](https://millionrounds.com/company/hilt)

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